Commit ac26692f authored by Wang Hai's avatar Wang Hai Committed by Greg Kroah-Hartman

net: smc91x: Fix possible memory leak in smc_drv_probe()

[ Upstream commit bca9749b ]

If try_toggle_control_gpio() failed in smc_drv_probe(), free_netdev(ndev)
should be called to free the ndev created earlier. Otherwise, a memleak
will occur.

Fixes: 7d2911c4 ("net: smc91x: Fix gpios for device tree based booting")
Reported-by: default avatarHulk Robot <hulkci@huawei.com>
Signed-off-by: default avatarWang Hai <wanghai38@huawei.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 2781ec63
......@@ -2287,7 +2287,7 @@ static int smc_drv_probe(struct platform_device *pdev)
ret = try_toggle_control_gpio(&pdev->dev, &lp->power_gpio,
"power", 0, 0, 100);
if (ret)
return ret;
goto out_free_netdev;
/*
* Optional reset GPIO configured? Minimum 100 ns reset needed
......@@ -2296,7 +2296,7 @@ static int smc_drv_probe(struct platform_device *pdev)
ret = try_toggle_control_gpio(&pdev->dev, &lp->reset_gpio,
"reset", 0, 0, 100);
if (ret)
return ret;
goto out_free_netdev;
/*
* Need to wait for optional EEPROM to load, max 750 us according
......
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